scsipi_all.h revision 1.26
1 /* $NetBSD: scsipi_all.h,v 1.26 2005/01/31 23:06:41 reinoud Exp $ */ 2 3 /* 4 * SCSI and SCSI-like general interface description 5 */ 6 7 /* 8 * Largely written by Julian Elischer (julian (at) tfs.com) 9 * for TRW Financial Systems. 10 * 11 * TRW Financial Systems, in accordance with their agreement with Carnegie 12 * Mellon University, makes this software available to CMU to distribute 13 * or use in any manner that they see fit as long as this message is kept with 14 * the software. For this reason TFS also grants any other persons or 15 * organisations permission to use or modify this software. 16 * 17 * TFS supplies this software to be publicly redistributed 18 * on the understanding that TFS is not responsible for the correct 19 * functioning of this software in any circumstances. 20 * 21 * Ported to run under 386BSD by Julian Elischer (julian (at) tfs.com) Sept 1992 22 */ 23 24 #ifndef _DEV_SCSIPI_SCSIPI_ALL_H_ 25 #define _DEV_SCSIPI_SCSIPI_ALL_H_ 26 27 /* 28 * SCSI-like command format and opcode 29 */ 30 31 /* 32 * Some basic, common SCSI command group definitions. 33 */ 34 35 #define CDB_GROUPID(cmd) ((cmd >> 5) & 0x7) 36 #define CDB_GROUPID_0 0 37 #define CDB_GROUPID_1 1 38 #define CDB_GROUPID_2 2 39 #define CDB_GROUPID_3 3 40 #define CDB_GROUPID_4 4 41 #define CDB_GROUPID_5 5 42 #define CDB_GROUPID_6 6 43 #define CDB_GROUPID_7 7 44 45 #define CDB_GROUP0 6 /* 6-byte cdb's */ 46 #define CDB_GROUP1 10 /* 10-byte cdb's */ 47 #define CDB_GROUP2 10 /* 10-byte cdb's */ 48 #define CDB_GROUP3 0 /* reserved */ 49 #define CDB_GROUP4 16 /* 16-byte cdb's */ 50 #define CDB_GROUP5 12 /* 12-byte cdb's */ 51 #define CDB_GROUP6 0 /* vendor specific */ 52 #define CDB_GROUP7 0 /* vendor specific */ 53 54 /* 55 * Some basic, common SCSI commands 56 */ 57 #define TEST_UNIT_READY 0x00 58 struct scsipi_test_unit_ready { 59 uint8_t opcode; 60 uint8_t byte2; 61 uint8_t unused[3]; 62 uint8_t control; 63 }; 64 65 #define REQUEST_SENSE 0x03 66 struct scsipi_sense { 67 uint8_t opcode; 68 uint8_t byte2; 69 uint8_t unused[2]; 70 uint8_t length; 71 uint8_t control; 72 }; 73 74 #define MODE_SENSE 0x1a 75 struct scsipi_mode_sense { 76 uint8_t opcode; 77 uint8_t byte2; 78 #define SMS_DBD 0x08 /* disable block descriptors */ 79 uint8_t page; 80 #define SMS_PAGE_CODE 0x3F 81 #define SMS_PAGE_CTRL 0xC0 82 #define SMS_PAGE_CTRL_CURRENT 0x00 83 #define SMS_PAGE_CTRL_CHANGEABLE 0x40 84 #define SMS_PAGE_CTRL_DEFAULT 0x80 85 #define SMS_PAGE_CTRL_SAVED 0xC0 86 uint8_t unused; 87 uint8_t length; 88 uint8_t control; 89 } __attribute__((packed)); 90 91 #define MODE_SENSE_BIG 0x5A 92 struct scsipi_mode_sense_big { 93 uint8_t opcode; 94 uint8_t byte2; /* same bits as small version */ 95 uint8_t page; /* same bits as small version */ 96 uint8_t unused[4]; 97 uint8_t length[2]; 98 uint8_t control; 99 } __attribute__((packed)); 100 101 #define MODE_SELECT 0x15 102 struct scsipi_mode_select { 103 uint8_t opcode; 104 uint8_t byte2; 105 #define SMS_SP 0x01 /* save page */ 106 #define SMS_PF 0x10 /* page format (0 = SCSI-1, 1 = SCSI-2) */ 107 uint8_t unused[2]; 108 uint8_t length; 109 uint8_t control; 110 } __attribute__((packed)); 111 112 #define MODE_SELECT_BIG 0x55 113 struct scsipi_mode_select_big { 114 uint8_t opcode; 115 uint8_t byte2; /* same bits as small version */ 116 uint8_t unused[5]; 117 uint8_t length[2]; 118 uint8_t control; 119 } __attribute__((packed)); 120 121 #define INQUIRY 0x12 122 struct scsipi_inquiry { 123 uint8_t opcode; 124 uint8_t byte2; 125 uint8_t unused[2]; 126 uint8_t length; 127 uint8_t control; 128 } __attribute__((packed)); 129 130 #define START_STOP 0x1b 131 struct scsipi_start_stop { 132 uint8_t opcode; 133 uint8_t byte2; 134 uint8_t unused[2]; 135 uint8_t how; 136 #define SSS_STOP 0x00 137 #define SSS_START 0x01 138 #define SSS_LOEJ 0x02 139 uint8_t control; 140 }; 141 142 #define PREVENT_ALLOW 0x1e 143 struct scsipi_prevent { 144 uint8_t opcode; 145 uint8_t byte2; 146 uint8_t unused[2]; 147 uint8_t how; 148 uint8_t control; 149 } __attribute__((packed)); 150 #define PR_PREVENT 0x01 151 #define PR_ALLOW 0x00 152 153 /* 154 * inquiry and sense data format 155 */ 156 157 struct scsipi_sense_data { 158 /* 1*/ uint8_t error_code; 159 #define SSD_ERRCODE 0x7F 160 #define SSD_ERRCODE_VALID 0x80 161 /* 2*/ uint8_t segment; 162 /* 3*/ uint8_t flags; 163 #define SSD_KEY 0x0F 164 #define SSD_ILI 0x20 165 #define SSD_EOM 0x40 166 #define SSD_FILEMARK 0x80 167 /* 7*/ uint8_t info[4]; 168 /* 8*/ uint8_t extra_len; 169 /*12*/ uint8_t cmd_spec_info[4]; 170 /*13*/ uint8_t add_sense_code; 171 /*14*/ uint8_t add_sense_code_qual; 172 /*15*/ uint8_t fru; 173 /*16*/ uint8_t sense_key_spec_1; 174 #define SSD_SCS_VALID 0x80 175 /*17*/ uint8_t sense_key_spec_2; 176 /*18*/ uint8_t sense_key_spec_3; 177 /*32*/ uint8_t extra_bytes[14]; 178 } __attribute__((packed)); 179 180 #define SKEY_NO_SENSE 0x00 181 #define SKEY_RECOVERED_ERROR 0x01 182 #define SKEY_NOT_READY 0x02 183 #define SKEY_MEDIUM_ERROR 0x03 184 #define SKEY_HARDWARE_ERROR 0x04 185 #define SKEY_ILLEGAL_REQUEST 0x05 186 #define SKEY_UNIT_ATTENTION 0x06 187 #define SKEY_WRITE_PROTECT 0x07 188 #define SKEY_BLANK_CHECK 0x08 189 #define SKEY_VENDOR_UNIQUE 0x09 190 #define SKEY_COPY_ABORTED 0x0A 191 #define SKEY_ABORTED_COMMAND 0x0B 192 #define SKEY_EQUAL 0x0C 193 #define SKEY_VOLUME_OVERFLOW 0x0D 194 #define SKEY_MISCOMPARE 0x0E 195 #define SKEY_RESERVED 0x0F 196 197 /* 198 * Sense bytes described by the extra_len tag start at cmd_spec_info, 199 * and can only continue up to the end of the structure we've defined 200 * (which is too short for some cases). 201 */ 202 #define ADD_BYTES_LIM(sp) \ 203 ((((int)(sp)->extra_len) < (int) sizeof(struct scsipi_sense_data) - 8)? \ 204 ((sp)->extra_len) : (sizeof (struct scsipi_sense_data) - 8)) 205 206 207 struct scsipi_sense_data_unextended { 208 /* 1*/ uint8_t error_code; 209 /* 4*/ uint8_t block[3]; 210 } __attribute__((packed)); 211 212 #define T_REMOV 1 /* device is removable */ 213 #define T_FIXED 0 /* device is not removable */ 214 215 /* 216 * According to SPC-2r16, in order to know if a U3W device support PPR, 217 * Inquiry Data structure should be at least 57 Bytes 218 */ 219 220 struct scsipi_inquiry_data { 221 /* 1*/ uint8_t device; 222 #define SID_TYPE 0x1f /* device type mask */ 223 #define SID_QUAL 0xe0 /* device qualifier mask */ 224 #define SID_QUAL_LU_PRESENT 0x00 /* logical unit present */ 225 #define SID_QUAL_LU_NOTPRESENT 0x20 /* logical unit not present */ 226 #define SID_QUAL_reserved 0x40 227 #define SID_QUAL_LU_NOT_SUPP 0x60 /* logical unit not supported */ 228 229 #define T_DIRECT 0x00 /* direct access device */ 230 #define T_SEQUENTIAL 0x01 /* sequential access device */ 231 #define T_PRINTER 0x02 /* printer device */ 232 #define T_PROCESSOR 0x03 /* processor device */ 233 #define T_WORM 0x04 /* write once, read many device */ 234 #define T_CDROM 0x05 /* cd-rom device */ 235 #define T_SCANNER 0x06 /* scanner device */ 236 #define T_OPTICAL 0x07 /* optical memory device */ 237 #define T_CHANGER 0x08 /* medium changer device */ 238 #define T_COMM 0x09 /* communication device */ 239 #define T_IT8_1 0x0a /* Defined by ASC IT8... */ 240 #define T_IT8_2 0x0b /* ...(Graphic arts pre-press devices) */ 241 #define T_STORARRAY 0x0c /* storage array device */ 242 #define T_ENCLOSURE 0x0d /* enclosure services device */ 243 #define T_SIMPLE_DIRECT 0x0E /* Simplified direct-access device */ 244 #define T_OPTIC_CARD_RW 0x0F /* Optical card reader/writer device */ 245 #define T_OBJECT_STORED 0x11 /* Object-based Storage Device */ 246 #define T_NODEVICE 0x1f 247 248 uint8_t dev_qual2; 249 #define SID_QUAL2 0x7F 250 #define SID_REMOVABLE 0x80 251 252 /* 3*/ uint8_t version; 253 #define SID_ANSII 0x07 254 #define SID_ECMA 0x38 255 #define SID_ISO 0xC0 256 257 /* 4*/ uint8_t response_format; 258 #define SID_RespDataFmt 0x0F 259 #define SID_FORMAT_SCSI1 0x00 /* SCSI-1 format */ 260 #define SID_FORMAT_CCS 0x01 /* SCSI CCS format */ 261 #define SID_FORMAT_ISO 0x02 /* ISO format */ 262 263 /* 5*/ uint8_t additional_length; /* n-4 */ 264 /* 6*/ uint8_t flags1; 265 #define SID_SCC 0x80 266 /* 7*/ uint8_t flags2; 267 #define SID_Addr16 0x01 268 #define SID_MChngr 0x08 269 #define SID_MultiPort 0x10 270 #define SID_EncServ 0x40 271 #define SID_BasQue 0x80 272 /* 8*/ uint8_t flags3; 273 #define SID_SftRe 0x01 274 #define SID_CmdQue 0x02 275 #define SID_Linked 0x08 276 #define SID_Sync 0x10 277 #define SID_WBus16 0x20 278 #define SID_WBus32 0x40 279 #define SID_RelAdr 0x80 280 /* 9*/ char vendor[8]; 281 /*17*/ char product[16]; 282 /*33*/ char revision[4]; 283 #define SCSIPI_INQUIRY_LENGTH_SCSI2 36 284 /*37*/ uint8_t vendor_specific[20]; 285 /*57*/ uint8_t flags4; 286 #define SID_IUS 0x01 287 #define SID_QAS 0x02 288 #define SID_Clocking 0x0C 289 #define SID_CLOCKING_ST_ONLY 0x00 290 #define SID_CLOCKING_DT_ONLY 0x04 291 #define SID_CLOCKING_SD_DT 0x0C 292 /*58*/ uint8_t reserved; 293 /*59*/ char version_descriptor[8][2]; 294 #define SCSIPI_INQUIRY_LENGTH_SCSI3 74 295 } __attribute__((packed)); /* 74 Bytes */ 296 297 /* Data structures for mode select/mode sense */ 298 struct scsipi_mode_header { 299 uint8_t data_length; /* Sense data length */ 300 uint8_t medium_type; 301 uint8_t dev_spec; 302 uint8_t blk_desc_len; /* unused on ATAPI */ 303 } __attribute__((packed)); 304 305 struct scsipi_mode_header_big { 306 uint8_t data_length[2]; /* Sense data length */ 307 uint8_t medium_type; 308 uint8_t dev_spec; 309 uint8_t unused[2]; /* unused on ATAPI */ 310 uint8_t blk_desc_len[2]; /* unused on ATAPI */ 311 } __attribute__((packed)); 312 313 /* 314 * This part is common to all mode pages. 315 */ 316 struct scsipi_mode_page_header { 317 uint8_t pg_code; /* page code */ 318 #define PGCODE_MASK 0x3f /* page code mask */ 319 #define PGCODE_PS 0x80 /* page is savable */ 320 uint8_t pg_length; /* page length (not including hdr) */ 321 } __attribute__((__packed__)); 322 323 #endif /* _DEV_SCSIPI_SCSIPI_ALL_H_ */ 324
Indexes created Mon Sep 29 21:09:56 GMT 2025